102606265 has 4 divisors (see below), whose sum is σ = 123127524. Its totient is φ = 82085008.

The previous prime is 102606247. The next prime is 102606269. The reversal of 102606265 is 562606201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 33732864 + 68873401 = 5808^2 + 8299^2 .

It is a cyclic number.

It is not a de Polignac number, because 102606265 - 2⁵ = 102606233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102606269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10260622 + ... + 10260631.

It is an arithmetic number, because the mean of its divisors is an integer number (30781881).

Almost surely, 2^102606265 is an apocalyptic number.

It is an amenable number.

102606265 is a deficient number, since it is larger than the sum of its proper divisors (20521259).

102606265 is an equidigital number, since it uses as much as digits as its factorization.

102606265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20521258.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 102606265 is about 10129.4750604363. The cubic root of 102606265 is about 468.1567537461.

The spelling of 102606265 in words is "one hundred two million, six hundred six thousand, two hundred sixty-five".